A) \[(p\wedge q)\wedge \tilde{\ }(p\vee q)\]
B) \[p\wedge (\tilde{\ }p\wedge q)\]
C) \[(p\Rightarrow q)\Rightarrow p\]
D) None of these
Correct Answer: A
Solution :
| p | q | \[p\wedge q\] | \[p\vee q\] | \[\tilde{\ }(p\vee q)\] | \[(p\wedge q)\wedge \tilde{\ }\]\[(p\vee q)\] |
| T | T | T | T | F | F |
| T | F | F | T | F | F |
| F | T | F | T | F | F |
| F | F | F | F | T | F |
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